CVE-2017-8807

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.

CVSS v3
9.1
EG Score
9.1(medium)
EPSS
89.5%
KEV
Not listed

Published

November 16, 2017

Last Modified

May 13, 2026

Advisory Details (6)

Auto-updated May 19, 2026
Patch available.
generic

Avoid buffer read overflow on vcl_error and -sfile · varnishcache/varnish-cache@176f8a0 · GitHub

https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7
generic Patch Available

#881808 - varnish: CVE-2017-8807: Data leak - '-sfile' Stevedore transient objects - Debian Bug report logs

https://bugs.debian.org/881808
generic
http://www.securityfocus.com/bid/101886
generic

https://www.varnish.org/docs/security/vsv00002/

http://varnish-cache.org/security/VSV00002.html
generic

[SECURITY] [DSA 4034-1] varnish security update

https://www.debian.org/security/2017/dsa-4034
generic

bugfix : coredump causes by memcpy in vbf_stp_error by shamger · Pull Request #2429 · varnishcache/varnish-cache · GitHub

https://github.com/varnishcache/varnish-cache/pull/2429

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibvarnishapi1 (4.1.1-1ubuntu0.2+esm1) @ xenial2026-05-22ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
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  21. 2026-06-23 21:30 UTCEPSS rescore
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  23. 2026-06-22 21:35 UTCOSV refresh
  24. 2026-06-22 14:23 UTCEPSS rescore
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  1. 2026-06-21 14:54 UTCEPSS rescore
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  17. 2026-06-11 13:57 UTCEPSS rescore
  18. 2026-06-10 22:15 UTCEPSS rescore
  19. 2026-06-10 13:19 UTCEPSS rescore
  20. 2026-06-08 14:14 UTCEPSS rescore
  21. 2026-06-08 14:14 UTCEPSS rescore
  22. 2026-06-07 15:22 UTCEPSS rescore
  23. 2026-06-07 15:22 UTCEPSS rescore
  24. 2026-06-06 13:45 UTCEPSS rescore
  25. 2026-06-06 13:45 UTCEPSS rescore
  26. 2026-06-05 22:44 UTCEPSS rescore
  27. 2026-06-05 22:44 UTCEPSS rescore
  28. 2026-06-05 13:27 UTCOSV refresh
  29. 2026-06-05 06:08 UTCEPSS rescore
  30. 2026-06-05 06:08 UTCEPSS rescore
  31. 2026-06-04 13:10 UTCEPSS rescore
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  37. 2026-05-31 22:28 UTCEPSS rescore
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  40. 2026-05-29 13:41 UTCEPSS rescore
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  43. 2026-05-27 13:38 UTCEPSS rescore
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  45. 2026-05-26 13:42 UTCEPSS rescore
  46. 2026-05-26 07:17 UTCEPSS rescore
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  55. 2026-05-22 08:01 UTCEG score recompute
  56. 2026-05-22 08:01 UTCVendor advisory
  57. 2026-05-22 08:01 UTCGHSA enrichment
  58. 2026-05-21 22:40 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2017-8807?
CVE-2017-8807 is a critical vulnerability published on November 16, 2017. vbfstperror in bin/varnishd/cache/cachefetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFPGetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore…
When was CVE-2017-8807 disclosed?
CVE-2017-8807 was first published in the National Vulnerability Database on November 16, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8807 actively exploited?
CVE-2017-8807 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8807?
CVE-2017-8807 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2017-8807?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8807, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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